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 * Copyright (C) 2020, TIBCO Software Inc.
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 *
 * 1. Redistributions of source code must retain the above copyright notice,
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 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
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 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */
package com.tibco.ep.sample;

/**
 * Demonstrates varargs custom functions
 */
public class VarArgs {

	/**
	 * @param args values to sum
	 * @return the sum of all values given
	 */
	public static double sumAll(double... args) {
		double ret = 0;
		for (double val : args) {
			ret += val;
		}
		return ret;
	}

	/**
	 * @param needle the string to search in haystack
	 * @param haystack the list of strings to find needle in
	 * @return whether needle was in the haystack
	 */
	public static boolean isIn(String needle, String... haystack) {
		for (String candidate : haystack) {
			if (candidate == null) {
				if (needle == null) {
					return true;
				}
			} else {
				if (candidate.contains(needle)) {
					return true;
				}
			}
		}
		return false;
	}

}
